@book{12552,
	author = {Lange, Phil C. and National Society for the Study of Education.},
	title = {Programed instruction.},
	publisher = {NSSE; distributed by the University of Chicago Press},
	year = {1967.},
	series = {The Yearbook of the National Society for the Study of Education.},
	address = {Chicago},
	note = {Prepared by the NSSE Committee on Programmed Instruction.}
}